The Doctor Who Production Diary: December 12th

1961 Sarah Sutton (Nyssa) is born Nyssa
1964 Debut broadcast of The Dalek Invasion Of Earth episode four, The End Of Tomorrow, on BBC1 The Dalek Invasion Of Earth
1966 Anneke Wills' contract is renewed for twelve episodes, beginning with The Macra Terror Polly
1966 Formal approval is given for Gerry Davis to co-write The Highlanders The Highlanders
1966 Location filming for The Underwater Menace takes place at Windspit Caverns in Dorset The Underwater Menace
1970 Recording for The Mind Of Evil takes place in BBC Television Centre Studio 3 The Mind Of Evil
1972 Recording for The Three Doctors takes place in BBC Television Centre Studio 6 The Three Doctors
1977 Location filming for The Invasion Of Time takes place in Redhill, Surrey The Invasion Of Time
1978 Alistair Beaton and Sarah Dunant are commissioned to write “Child Prodigy” The Fourth Doctor
2004 Recording for The Long Game takes place at Unit Q2 The Long Game
2005 Recording for Army Of Ghosts / Doomsday takes place at Unit Q2 Army Of Ghosts / Doomsday
2006 Location filming for Human Nature / The Family Of Blood takes place in Cardiff, Wales Human Nature / The Family Of Blood
2007 Location filming for The Doctor's Daughter takes place in Cefn Cribwr, Wales The Doctor's Daughter